Thompsontown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thompsontown, a borough in Juniata County, Pennsylvania.
This Afternoon
70°F
Partly Sunny
Partly sunny, with a high near 70. Southeast wind around 2 mph.
7-day forecast for Thompsontown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Partly Sunny | 2 mph SE | 1% |
| Tonight | 47°F | Areas Of Fog | 1 mph NE | 2% |
| Wednesday | 74°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph SE | 2% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 5 mph S | 84% |
| Thursday | 73°F | Rain Showers | 5 mph S | 82% |
| Thursday Night | 54°F | Chance Rain Showers | 1 mph W | 35% |
| Friday | 69°F | Chance Rain Showers | 1 mph N | 41% |
| Friday Night | 46°F | Chance Rain Showers | 1 mph NW | 41% |
| Saturday | 62°F | Slight Chance Rain Showers | 2 to 7 mph NW | 18% |
| Saturday Night | 38°F | Partly Cloudy | 5 mph NW | 10% |
| Sunday | 60°F | Mostly Sunny | 5 mph W | 8% |
| Sunday Night | 36°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph W | 17% |
| Monday | 59°F | Slight Chance Rain Showers | 5 to 9 mph W | 23% |
| Monday Night | 35°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph W | 21% |
Forecast source: National Weather Service (api.weather.gov) for Thompsontown (40.566, -77.236). Updated through the day.
Growing snapshot for Thompsontown
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
6b
More local growing data for Thompsontown: nearby ZIP 17094 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lewistown, Pa (18.2 mi from Thompsontown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.